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CVE-2026-43725

Published: Jun 29, 2026Updated: Aug 17, 2026 Sources: CVE List NVDCWE-20
7.1HIGH
NVD MITRE
EPSS Score
0.9%
Top 42.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

The issue was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may be able to process restricted web content outside the sandbox.

In plain language

AI Worth attention

This Safari/iPhone/iPad/Mac web-browsing bug could let a malicious website process some “restricted” web content in a way Apple normally blocks; you should update to the fixed versions if you use these devices, because the problem involves visiting a website.

Executive summary

CVE-2026-43725 is a sandbox-bypass weakness (CWE-20) where a malicious website can bypass sandbox restrictions to process restricted web content, fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.

If affected, business impact
Browser sandbox bypass riskRestricted content exposurePotential account/session riskDevice/browser instability

What to do now

  1. Check your devices’ software versions and update Safari/iOS/iPadOS/macOS to 26.5.2 or later.
  2. If you can’t update right away, avoid opening untrusted links in Safari until updates are installed.
  3. After updating, restart the devices and confirm Safari opens normally and can load your usual sites.
Usually a quick update

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-20

Affected Products

Apple
commercial·USaka apple inc., apple computer
SafariOn-premDesktop App
Consumer Software / browser
ipadosEmbeddedOS
Operating Systems / mobile-os
iOS and iPadOSEmbeddedOS
Operating Systems / mobile-os
macOSOn-premOS
Operating Systems / unix-bsd
tvOSEmbeddedOS
Operating Systems / mobile-os
visionOSOS
Operating Systems / mobile-os
watchOSEmbeddedOS
Operating Systems / mobile-os
and 3 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-43725?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://support.apple.com/en-us/127594
support.apple.com
https://support.apple.com/en-us/127595
support.apple.com
https://support.apple.com/en-us/127685
support.apple.com
and 4 more references View all →
News mentions
4

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